<template>
  <div class="app-container">
    <el-row :gutter="20">
      <!--部门数据-->
      <el-col :span="4" :xs="24">
        <div class="head-container">
          <el-input
            v-model="deptName"
            placeholder="请输入部门名称"
            clearable
            size="small"
            prefix-icon="el-icon-search"
            style="margin-bottom: 20px"
          />
        </div>
        <div class="head-container">
          <el-tree
            ref="tree"
            :data="deptOptions"
            :expand-on-click-node="false"
            :filter-node-method="filterNode"
            default-expand-all
            @node-click="handleNodeClick"
          />
        </div>
      </el-col>

      <el-col :span="20" :xs="24">
        <el-form ref="queryForm" :model="queryParams" size="small" :inline="true" label-width="68px">
          <el-form-item>
            <el-button icon="el-icon-plus" type="primary" @click="handleAdd">新增</el-button>
            <el-button type="success" icon="el-icon-edit" :disabled="single" @click="handleUpdate">修改
            </el-button>
            <el-button type="danger" icon="el-icon-delete" :disabled="multiple" @click="handleDelete">删除
            </el-button>
          </el-form-item>

          <el-form-item label="用户名" prop="username">
            <el-input
              v-model="queryParams.username"
              placeholder="用户名"
              clearable
              size="small"
              style="width: 240px"
              @keyup.enter.native="handleQuery"
            />
          </el-form-item>
          <el-form-item label="手机号码" prop="mobile">
            <el-input
              v-model="queryParams.mobile"
              placeholder="请输入手机号码"
              clearable
              size="small"
              style="width: 240px"
              @keyup.enter.native="handleQuery"
            />
          </el-form-item>
          <el-form-item label="状态" prop="status">
            <el-select
              v-model="queryParams.status"
              placeholder="用户状态"
              clearable
            >
              <el-option label="正常" value="1" />
              <el-option label="停用" value="0" />
            </el-select>
          </el-form-item>
          <el-form-item>
            <el-button type="primary" icon="el-icon-search" @click="handleQuery">搜索</el-button>
            <el-button icon="el-icon-refresh" @click="handleResetQuery">重置</el-button>
          </el-form-item>
        </el-form>

        <el-table v-loading="loading" :data="pageList" @selection-change="handleSelectionChange">
          <el-table-column type="selection" width="40" align="center" />
          <el-table-column label="用户编号" prop="id" width="180" />
          <el-table-column label="用户名" prop="username" />
          <el-table-column label="用户昵称" prop="nickName" />
          <el-table-column label="角色" prop="roleGroup" />
          <el-table-column label="部门" prop="deptName" />
          <el-table-column label="手机号码" prop="tel" width="120" />
          <el-table-column label="状态">
            <template slot-scope="scope">
              <el-switch
                v-model="scope.row.status"
                :active-value="0"
                :inactive-value="1"
                @change="handleStatusChange(scope.row)"
              />
            </template>
          </el-table-column>
          <el-table-column
            label="操作"
            align="center"
            width="250"
            class-name="small-padding fixed-width"
          >
            <template slot-scope="scope">
              <el-button
                size="mini"
                type="text"
                icon="el-icon-edit"
                @click="handleUpdate(scope.row)"
              >修改
              </el-button>
              <el-button
                v-if="scope.row.id !=1"
                size="mini"
                type="text"
                icon="el-icon-delete"
                @click="handleDelete(scope.row)"
              >删除
              </el-button>
              <el-button
                size="mini"
                type="text"
                icon="el-icon-key"
                @click="handleResetPassword(scope.row)"
              >重置密码
              </el-button>
            </template>
          </el-table-column>
        </el-table>

        <pagination
          v-show="pagination.total>0"
          :total="pagination.total"
          :page.sync="pagination.page"
          :limit.sync="pagination.limit"
          @pagination="handleQuery"
        />
      </el-col>
    </el-row>
    <!-- 添加或修改参数配置对话框 -->
    <el-dialog :title="dialog.title" :visible.sync="dialog.visible" width="800px">
      <el-form ref="form" :model="form" :rules="rules" label-width="100px">
        <el-row>
          <el-col :span="12">
            <el-form-item label="用户名" prop="username">
              <el-input v-model="form.username" :disabled="form.id != undefined" placeholder="请输入用户名" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="用户昵称" prop="nickname">
              <el-input v-model="form.nickName" placeholder="请输入用户昵称" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="用户性别">
              <el-select v-model="form.gender" placeholder="请选择">
                <el-option label="未知" value="0" />
                <el-option label="男" value="1" />
                <el-option label="女" value="2" />
              </el-select>
            </el-form-item>
          </el-col>

          <el-col :span="12">
            <el-form-item label="角色">
              <el-select v-model="form.roleIds" multiple placeholder="请选择">
                <el-option
                  v-for="item in roleOptions"
                  :key="parseInt(item.id)"
                  :label="item.name"
                  :value="item.id"
                />
              </el-select>
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="手机号码" prop="tel">
              <el-input v-model="form.tel" placeholder="请输入手机号码" maxlength="11" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="邮箱" prop="email">
              <el-input v-model="form.email" placeholder="请输入邮箱" maxlength="50" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="归属部门" prop="deptId">
              <tree-select v-model="form.deptId" :options="deptOptions" placeholder="请选择归属部门" />
            </el-form-item>
          </el-col>
          <el-col :span="12">
            <el-form-item label="状态">
              <el-radio-group v-model="form.status">
                <el-radio-group v-model="form.status">
                  <el-radio :label="1">正常</el-radio>
                  <el-radio :label="0">停用</el-radio>
                </el-radio-group>
              </el-radio-group>
            </el-form-item>
          </el-col>
          <el-col :span="24">
            <el-form-item label="备注">
              <el-input v-model="form.remark" type="textarea" placeholder="请输入内容" />
            </el-form-item>
          </el-col>
        </el-row>
      </el-form>
      <div slot="footer" class="dialog-footer">
        <el-button type="primary" @click="handleSubmit">确 定</el-button>
        <el-button @click="dialog.visible=false">取 消</el-button>
      </div>
    </el-dialog>
  </div>
</template>

<script>
import { list, detail, update, add, del, patch } from '@/api/admin/user'
import { list as deptList } from '@/api/admin/dept'
import { list as roleList } from '@/api/admin/role'
import TreeSelect from '@riophae/vue-treeselect'
import '@riophae/vue-treeselect/dist/vue-treeselect.css'

export default {
  components: { TreeSelect },
  data() {
    return {
      // 遮罩层
      loading: true,
      // 选中数组
      ids: [],
      // 非单个禁用
      single: true,
      // 非多个禁用
      multiple: true,
      queryParams: {
        username: undefined,
        mobile: undefined
      },
      pagination: {
        page: 1,
        limit: 10,
        total: 0
      },
      pageList: [],
      dialog: {
        title: undefined,
        visible: false
      },
      // 部门名称
      deptName: undefined,
      // 部门树选项
      deptOptions: undefined,
      // 角色选项
      roleOptions: [],
      // 表单参数
      form: {},
      // 表单校验
      rules: {
        username: [
          { required: true, message: '用户名称不能为空', trigger: 'blur' }
        ],
        nickName: [
          { required: true, message: '用户昵称不能为空', trigger: 'blur' }
        ],
        deptId: [
          { required: true, message: '归属部门不能为空', trigger: 'blur' }
        ],
        email: [
          {
            type: 'email',
            message: "'请输入正确的邮箱地址",
            trigger: ['blur', 'change']
          }
        ],
        mobile: [
          {
            pattern: /^1[3|4|5|6|7|8|9][0-9]\d{8}$/,
            message: '请输入正确的手机号码',
            trigger: 'blur'
          }
        ]
      }
    }
  },
  watch: {
    // 根据名称筛选部门树
    deptName(val) {
      this.$refs.tree.filter(val)
    }
  },
  created() {
    this.loadData()
  },
  methods: {
    async loadData() {
      this.handleQuery()
      await this.loadDeptOptions()
    },
    handleQuery() {
      this.queryParams.mode = 1
      this.queryParams.page = this.pagination.page
      this.queryParams.limit = this.pagination.limit
      list(this.queryParams).then(response => {
        this.pageList = response.data
        this.pagination.total = response.total
        this.loading = false
      })
    },
    handleResetQuery() {
      this.pagination = {
        page: 1,
        limit: 10,
        total: 0
      }
      this.queryParams = {
        username: undefined,
        mobile: undefined
      }
      this.handleQuery()
    },
    // 筛选节点
    filterNode(value, data) {
      if (!value) return true
      return data.label.indexOf(value) !== -1
    },
    // 部门节点单击事件
    handleNodeClick(data) {
      this.queryParams.deptId = data.id
      this.handleQuery()
    },
    // 用户状态修改
    handleStatusChange(row) {
      const text = row.status === 0 ? '启用' : '停用'
      this.$confirm('确认要"' + text + '""' + row.username + '"用户吗?', '警告', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(function() {
        return patch(row.id, { status: row.status })
      }).then(() => {
        this.$message.success(text + '成功')
      }).catch(function() {
        row.status = row.status === 0 ? 1 : 0
      })
    },
    // 多选框选中数据
    handleSelectionChange(selection) {
      this.ids = selection.map(item => item.id)
      this.single = selection.length != 1
      this.multiple = !selection.length
    },
    async handleAdd() {
      this.resetForm()
      this.dialog = {
        title: '新增用户',
        visible: true
      }
      await this.loadRoleOptions()
      await this.loadDeptOptions()
    },
    async handleUpdate(row) {
      this.resetForm()
      this.dialog = {
        title: '修改用户',
        visible: true
      }
      await this.loadRoleOptions()
      await this.loadDeptOptions()
      const id = row.id || this.ids
      detail(id).then(response => {
        this.form = response.data
      })
    },

    handleSubmit: function() {
      this.$refs['form'].validate(valid => {
        if (valid) {
          const id = this.form.id
          if (id != undefined) {
            update(this.form.id, this.form).then(() => {
              this.$message.success('修改成功')
              this.dialog.visible = false
              this.handleQuery()
            })
          } else {
            add(this.form).then(() => {
              this.$message.success('新增成功')
              this.dialog.visible = false
              this.handleQuery()
            })
          }
        }
      })
    },
    handleDelete(row) {
      const ids = row.id || this.ids
      this.$confirm('是否确认删除名称为"' + row.name + '"的数据项?', '警告', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        type: 'warning'
      }).then(() => {
        del(ids).then(() => {
          this.$message.success('删除成功')
          this.handleQuery()
        })
      }).catch(() =>
        this.$message.info('已取消删除')
      )
    },
    handleResetPassword(row) {
      this.$prompt('请输入"' + row.username + '"的新密码', '提示', {
        confirmButtonText: '确定',
        cancelButtonText: '取消',
        inputValidator: (value) => {
          if (!value || value.trim().length < 1) {
            return '请填写新密码'
          }
        }
      }).then(({ value }) => {
        patch(row.id, {
          password: value
        }).then(() => {
          this.$message.success('修改成功，新密码是：' + value)
        })
      }).catch(() => {
      })
    },
    loadRoleOptions() {
      roleList().then(response => {
        this.roleOptions = response.data
      })
    },
    loadDeptOptions() {
      deptList({ mode: 2 }).then(response => {
        this.deptOptions = [{
          id: 0,
          label: '有来科技',
          children: response.data
        }]
      })
    },
    // 表单重置
    resetForm() {
      this.form = {
        id: undefined,
        deptId: undefined,
        username: undefined,
        nickname: undefined,
        mobile: undefined,
        email: undefined,
        gender: undefined,
        status: 0,
        remark: undefined,
        roleIds: []
      }
      if (this.$refs['form']) {
        this.$refs['form'].resetFields()
      }
    }
  }
}
</script>
